The Kernel Economics blog

Plain-English explainers on the ideas behind the headlines. Newest first.

Prices

Why Grocery Prices Are Still High

Food inflation has slowed in Australia and overseas, yet the weekly shop still hurts. The reason is simple once you see it: the CPI tells you how fast prices are rising, not how high they already are.

· 4 min read
Policy

Why Is the RBA Raising Rates When Unemployment Is Rising?

On 3 November the Reserve Bank lifted the cash rate to 4.85%, even though more people are out of work. It looks contradictory until you see what the board is really watching: whether the economy is running hotter than it can sustain, and whether we all start expecting high inflation to stick. The 6–3 vote shows just how close the call was.

· 4 min read
Money

Tax Brackets Don't Work the Way You Think

No, a pay rise can't push you into a higher bracket and leave you worse off. The higher rate only applies to the dollars above the threshold. Here's the difference between marginal and average tax rates, in plain English.

· 4 min read
Work

Why Your Pay Rise Doesn't Feel Like One

A 3% rise in a year with 4% inflation is a pay cut in disguise. We explain real versus nominal wages, the Wage Price Index, and why the RBA keeps a close eye on labour costs.

· 4 min read
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